Description of the security update for SharePoint Enterprise Server 2016: October 13, 2020


None ## Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see the following security advisories: * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16941](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16941>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16942](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16942>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16944](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16944>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16945](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16945>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16946](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16946>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16948](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16948>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16951](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16951>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16952](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952>) * [Microsoft Common Vulnerabilities and Exposures CVE-2020-16953](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16953>) **Note** To apply this security update, you must have the release version of Microsoft SharePoint Enterprise Server 2016 installed on the computer.This public update delivers Feature Pack 2 for SharePoint Server 2016. Feature Pack 2 contains the following feature: * SharePoint Framework (SPFx) This public update also delivers all the features that were included in Feature Pack 1 for SharePoint Server 2016, including: * Administrative Actions Logging * MinRole enhancements * SharePoint Custom Tiles * Hybrid Taxonomy * OneDrive API for SharePoint on-premises * OneDrive for Business modern user experience (available to Software Assurance customers) The OneDrive for Business modern user experience requires an active Software Assurance contract at the time that the experience is enabled, either by installation of the public update or by manual enablement. If you don't have an active Software Assurance contract at the time of enablement, you must turn off the OneDrive for Business modern user experience.For more information, see the following Microsoft Docs articles: * [New features included in the November 2016 Public Update for SharePoint Server 2016 (Feature Pack 1)](<https://go.microsoft.com/fwlink/?linkid=832679>) * [New features included in the September 2017 Public Update for SharePoint Server 2016 (Feature Pack 2)](<https://go.microsoft.com/fwlink/?linkid=856819>) ## Improvements and fixes This security update contains improvements and fixes for the following nonsecurity issues in SharePoint Server 2016: * Removes the **Edit Connection Filters** menu item from the User Profile Service synchronization connection list. * Fixes the following issue that occurs after the [KB 4484506](<https://support.microsoft.com/help/4484506>) is installed: An error occurs when you try to access the "Result Sources," "Query Rules," "Search Result Sources," or "Search Query Rules" page from the **Search Settings** section of **Site Settings**. * Fixes an exception that occurs when you apply filters in a managed metadata navigation tree. * Fixes an issue in which an invalid **SharedWithUsers **property of a file may cause the file upload to fail. * Fixes currency scenarios in the English word breaker. Now, users can search currency by number such as "123.45" in "$123.45." * Fixes an issue in which the upgrade fails when you attach and upgrade an Application Management Service database from SharePoint Server 2016 to SharePoint Server 2019. * Fixes an issue in which documents can't be uploaded if the Identity column value reaches maximum limit. **Note** To fix this issue completely, you have to install [KB 4486681](<https://support.microsoft.com/help/4486681>) together with this update. * Fixes an issue in which users can't run a backup if Central Administration is installed on a server that's configured as a Web Front End (WFE) or WFE with Distributed Cache in a MinRole farm. This security update contains fixes for the following issues in Project Server 2016: * Opening the approvals page or submitting timesheets is very slow. * Sometimes, when you open a project, the **% Complete** value on a Fixed Duration task that's 100 percent complete changes to a lesser value. ## Known issues in this update **Issue** An error may occur when you upload a file that's larger than 100 MB to a document library.**Resolution** To solve this issue, install [KB 4486753](<https://support.microsoft.com/help/4486753>). ## How to get and install the update ### Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see [Windows Update: FAQ](<https://support.microsoft.com/en-us/help/12373/windows-update-faq>). ### Method 2: Microsoft Update Catalog To get the standalone package for this update, go to the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/Search.aspx?q=KB4486677>) website. ### Method 3: Microsoft Download Center You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update. * ![Download icon](https://support.content.office.net/en-us/media/2ae362dc-2179-d733-e930-e231c68a2c4a.png)[Download security update 4486677 for the 64-bit version of SharePoint Enterprise Server 2016](<http://www.microsoft.com/download/details.aspx?familyid=f98f78cd-75fd-49ce-ac13-449badc20798>) ## More information ### Security update deployment information For deployment information about this update, see [security update deployment information: October 13, 2020](<https://support.microsoft.com/en-us/help/20201013>). ### Security update replacement information This security update replaces previously released security update [4484506](<http://support.microsoft.com/kb/4484506>). ### File hash information File name| SHA1 hash| SHA256 hash ---|---|--- sts2016-kb4486677-fullfile-x64-glb.exe| 488AE358249037E9827D4E962999172B5E967A9A| 46141F2D4063A554A10792C7CAA83A305E53505FC77C35C99881CCC9767AB851 File informationDownload [the list of files that are included in security update 4486677](<https://download.microsoft.com/download/1/0/f/10fdc5d6-fb48-4f16-a3f6-771486a6bafa/4486677.csv>). ## Information about protection and security Protect yourself online: [Windows Security support](<https://support.microsoft.com/hub/4099151>)Learn how we guard against cyber threats: [Microsoft Security](<https://www.microsoft.com/security>)